申请人:E. R. Squibb & Sons, Inc.
公开号:US04670554A1
公开(公告)日:1987-06-02
Antibacterial activity is exhibited by .beta.-lactams having a 3-acylamino substituent and in the 1-position a substituent having the formula ##STR1## wherein R.sub.5 and R.sub.6 are the same or different and each is hydrogen, alkyl, alkenyl, alkynyl, phenyl, substituted phenyl, cycloalkyl or a 4,5,6 or 7-membered heterocycle, or R.sub.5 and R.sub.6 together with the carbon atom to which they are attached are cycloalkyl or a 4,5,6 or 7-membered heterocycle, or one of R.sub.5 and R.sub.6 is hydrogen and the other is azido, halomethyl, dihalomethyl, trihalomethyl, alkoxycarbonyl, alkenyl, alkynyl, 2-phenylethenyl, 2-phenylethynyl, carboxyl, --CH.sub.2 X.sub.1, --S--X.sub.2, --O--X.sub.2, or ##STR2## R.sub.7 is hydrogen, alkyl, substituted alkyl, phenyl, substituted phenyl, 1-(ethoxycarbonyloxy)ethyl, 1,3-dihydro-3-oxo-1-isobenzofuranyl, ##STR3## wherein R' is hydrogen or alkyl, R" is alkyl or phenyl, R"' is hydrogen, methyl or phenyl, and R.sup.iv is hydrogen or together with R"' is --(CH.sub.2).sub.3 -- or --(CH.sub.2).sub.5 --; and R.sub.8 is hydroxy, alkoxy, (substituted alkyl)oxy, phenyloxy, (substituted phenyl)oxy, alkyl, substituted alkyl, phenyl, substituted phenyl, heteroaryl, amino, substituted amino, alkylthio, (substituted alkyl)thio, phenylthio, (substituted phenyl)thio, or ##STR4##
抗菌活性由具有3-酰胺基取代基的β-内酰胺和在1-位置具有化学式##STR1##的取代基展示,其中R.sub.5和R.sub.6相同或不同,且每个都是氢,烷基,烯基,炔基,苯基,取代苯基,环烷基或4,5,6或7-成员杂环,或R.sub.5和R.sub.6与它们附着的碳原子一起是环烷基或4,5,6或7-成员杂环,或R.sub.5和R.sub.6中的一个是氢,另一个是叠氮基,卤甲基,二卤甲基,三卤甲基,烷氧羰基,烯基,炔基,2-苯乙烯基,2-苯基乙炔基,羧基,--CH.sub.2 X.sub.1,--S--X.sub.2,--O--X.sub.2,或##STR2##,其中R.sub.7是氢,烷基,取代烷基,苯基,取代苯基,1-(乙氧羰氧基)乙基,1,3-二氢-3-氧代-1-异苯并呋喃基,##STR3##其中R'是氢或烷基,R"是烷基或苯基,R"'是氢,甲基或苯基,R.sup.iv是氢或与R"'一起是--(CH.sub.2).sub.3--或--(CH.sub.2).sub.5--;R.sub.8是羟基,烷氧基,(取代烷基)氧基,苯氧基,(取代苯基)氧基,烷基,取代烷基,苯基,取代苯基,杂环烷基,氨基,取代氨基,烷基硫基,(取代烷基)硫基,苯基硫基,(取代苯基)硫基,或##STR4##